Coord 2000 | 16147+3352 | Discov num | STF2032 | Comp | BD | Coord arcsec 2000 | 16 14 40.39 +33 51 27.0 | ||||
Date first | 1828 | Date last | 2021 | Obs | 72 | ||||||
Pa first | 89 | Pa last | 80.5 | P.A. Now (θ) | 80.5° | ||||||
Sep first | 43.3 | Sep last | 102.038 | Sep. Now (ρ) | 102.038" | ||||||
Mag pri | 6.49 | Mag sec | 10.78 | delta mag (ΔM) | 4.29 | Spectral class | G1V (yellow) | ||||
Pri motion ra | -292 | Sec motion ra | +012 | ||||||||
Pri motion dec | -082 | Sec motion dec | -013 | ||||||||
Notes | N L U (See Notes, Linear solution, Proper motion indicates non-physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Sig CrB | 65165 | 16 14 41 +33 51 31 | STF 2032 AB | 2021 | 1134 | 240 | 7.2 | 5.62 | 6.49 | 0.87 | Y | |
Show | 65165 | 16 14 41 +33 51 31 | STF 2032 AC | 2021 | 19 | 91 | 27.7 | 5.62 | 13.10 | 7.48 | |||
Show | 65165 | 16 14 41 +33 51 31 | STF 2032 AD | 2021 | 120 | 82 | 95.3 | 5.62 | 10.78 | 5.16 | |||
Show | 65165 | 16 14 41 +33 51 31 | STF 2032 AE | 2021 | 17 | 241 | 635.1 | 5.62 | 12.31 | 6.69 | |||
Show | 65165 | 16 14 40 +33 51 27 | STF 2032 BD | 2021 | 72 | 81 | 102.0 | 6.49 | 10.78 | 4.29 | <=== | ||
Show | 65165 | 16 13 56 +33 46 24 | YSC 152 Ea,Eb | 2018 | 9 | 29 | 0.5 | 12.40 | 15.00 | 2.60 | Y | ||
Show | 16 13 56 +33 46 24 | RAO 65 EF | 2015 | 4 | 239 | 30.7 | 12.34 | 14.85 | 2.51 |
Var name | TZ CrB | Constellation | Corona Borealis | SAO | 65165 | HIP | 79607 | ||||
Tycho2 | 2583-01846-2 | Gaia DR2 | 1328866562170960384 | HD | 146362 | HR | 6064 | ||||
GC | 21863 | ADS | 9979 | GL | Gl 615.2A | BD | BD+34 2750 | ||||
Bayer | Sigma Coronae Borealis | Bayer name | Sig CrB | Flamsteed | 17 Coronae Borealis | Flamsteed name | 17 CrB | ||||
Distance | 21.08 | Distance ly | 68.76 | Bayer greek | σ CrB |
discov_num | notes | refcode |
STF2032 | sig CrB = 17 CrB. | |
A is a Delta Scuti-type variable, TZ CrB, and double-lined | ||
spectroscopic binary, P = 1.14d. It exhibits atmospheric and coronal | ||
activity, and radio flares. | ||
Aa,Ab: Raghavan et al. orbit based on based on RV data plus long- | Rag2009 | |
baseline interferometry from CHARA Array. Adopted e=omega=0.0. Derive | ||
masses 1.137 +/- 0.037 and 1.090 +/- 0.036 Msun, radii 1.244 +/- 0.050 | ||
and 1.244 +/- 0.050 Rsun. | ||
AB: H 1 3. | MEv2010 | |
AB: Parabolic orbit. sigma = areal constant in the true orbit = | Zag1936 | |
0.1226 arcsec^2/yr. q = periastron distance in the true orbit = 2".221 | ||
See Baize & Petit (1989) catalog of doubles with variable component. | Baz1989d | |
AC: STT 538. | ||
AD and BD: Optical pairs, based on study of relative motion of the | ||
components using the method of apparent motion parameters. | Kiy2008 | |
AD : the lost STT 305AD is also this pair. | Dam2016b | |
AE: A distant star (L 1490-24, mag. about 12.5, 13') has common proper | ||
motion | Kam1939b | |
YSC 152 | Ea,Eb: astrom. orb. Hei1990d P=52yr e=0.36 a=111mas => q=0.26 | Tok2014d |
refcode | metd | author | reference |
Baz1989d | - | Baize, P. & Petit, M. | 1989A&AS...77..497B |
Baz1989d | A&AS 77, 497, 1989 | ||
Dam2016b | C j | Damm, F. | ................... |
Dam2016b | +E+ | private communication, email #171, 2016 | |
Dam2016b | +H+ | ||
Dam2016b | +P+ | ||
Kam1939b | - | van de Kamp, P. | 1939AJ.....48..136V |
Kam1939b | AJ 48, 136, 1939 | ||
Kiy2008 | - | Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. | 2008SvAL...32..405K |
Kiy2008 | SvAL 34, 405, 2008 | ||
MEv2010 | - | MacEvoy, B. | ................... |
MEv2010 | private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) | ||
Rag2009 | orb - | Raghavan, D., McAlister, H.A., Torres, G., Latham, D.W., Mason, B.D., Boyajian, | 2009ApJ...690..394R |
Rag2009 | T.S., Baines, E.K., Williams, S.J. et al. | ||
Rag2009 | ApJ 690, 394, 2009 | ||
Tok2014d | E2 - | Tokovinin, A. | 2014AJ....147...86T |
Tok2014d | AJ 147, 86, 2014 | ||
Zag1936 | orb - | Zagar, F. | . |
Zag1936 | Oss. Astr. Parova Pubbl. 49, 1936 |
idgroup | discov | author |
1 | RAO | Robo AO (Palomar 60" AO project or KPNO 2.1m) |
1 | RAO | Law, N.M., Morton, T., Baranec, C., Riddle, R., Ravichandran, G., Ziegler, C., |
1 | RAO | Johnson, J.A., Tendulkar, S.P., Bui, K., Burse, M.P., Das, H., Dekany, R., et al. |
2 | RAO | Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr., |
2 | RAO | Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G., |
2 | RAO | Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P. |
7 | RAO | Baranec, C., Ziegler, C., Law, N.M., Morton, T., Riddle, R.L., Atkinson, D., |
7 | RAO | Schonhut, J., & Crepp, J. |
8 | RAO | Ziegler, C., Law, N.M., Nicholas, M., Morton, T., Baranec, C., Riddle, R.L., |
8 | RAO | Atkinson, D., Baker, A., Roberts, S., & Ciardi, D.R. |
9 | RAO | Schonhut-Stasik, J.S., Baranec, C., Huber, D., Ziegler, C., Atkinson, D., Gaidos, |
9 | RAO | E., Law, N.M., Riddle, R., Hagelberg, J., van der Marel, N., & Hodapp, K.W. |
10 | RAO | Hillenbrand, L.A., Zhang, C., Riddle, R.L., Baranec, C., Ziegler, C., Law, N.M. & |
10 | RAO | Stauffer, J. |
12 | RAO | Ziegler, C., Law, N.M., Baranec, C., Riddle, R., Duev, D.A., Howard, W., |
12 | RAO | Jensen-Clem, R., Kulkarni, S.R., Morton, T. & Salama, M. |
13 | RAO | Ziegler, C., Law, N.M., Baranec, C., Morton, T., Riddle, R., De Lee, N., Huber, D., |
13 | RAO | Mahadevan, S. & Pepper, J. |
14 | RAO | Bowler, B.P., Hinkley, S., Ziegler, C., Baranec, C., Gizis, J.E., Law, N.M., Liu, |
14 | RAO | M.C., Shah, V.S., Shkolnik, E.L., Riaz, B. & Riddle, R. |
15 | RAO | Schonhut-Stasik, J.S., Huber, D., Baranec, C., Lamman, C., Salama, M., Jensen-Clem, |
15 | RAO | R., Duev, D.A., Riddle, R., Kulkarni, S.R. & Law, N.M. |
16 | RAO | Lamman, C., Baranec, C., Berta-Thompson, Z.K., Law, N.M., Schonhut-Stasik, J., |
16 | RAO | Ziegler, C., Salama, M., Jensen-Clem, R., Duev, D.A., Riddle, R., Kulkarni, S.R., |
16 | RAO | Winters, J.G. & Irwin, J.M. |
19 | RAO | Salama, M., Ou, J., Barance, C., Liu, M.C., Bowler, B.P., Barnes, P., Bonnet, M., |
19 | RAO | Chun, M., Duev, D.A., Goebel, S., Hall, D., Jacobson, S., Jensen-Clem, R., Law, |
19 | RAO | N.M., Lockhart, C., Riddle, R., Situ, H., Warmbier, E. & Zhang, Z. |
20 | RAO | Salama, M., Ziegler, C., Baranec, C., Liu, M.C., Law, N.M., Riddle, R., Henry, |
20 | RAO | T.J., Winters, J.G., Jao, W.-C., Ou, J. & Ruiz, A.H. |
21 | STF | Struve, F.G.W. |
54 | YSC | Yale-Southern Connecticut (from additional DD list - see HOR) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
16147+3352 | STF2032 | BD | 1998 | 66 | 81 | 95.0 | 6.49 | 10.60 | NLD | 161440.39+335127.0 | |
16147+3352 | STF2032 | BD | 2009 | 67 | 81 | 98.5 | 6.49 | 10.60 | NLD | 161440.39+335127.0 | |
16147+3352 | STF2032 | BD | 2013 | 68 | 81 | 99.6 | 6.49 | 10.78 | G1V | NL U | 161440.39+335127.0 |
16147+3352 | STF2032 | BD | 2015 | 70 | 80 | 100.2 | 6.49 | 10.78 | G1V | NL U | 161440.39+335127.0 |
16147+3352 | STF2032 | BD | 2021 | 72 | 81 | 102.0 | 6.49 | 10.78 | G1V | NL U | 161440.39+335127.0 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | B | C | D | E | Eb | |
B | pa=235.1° sep=6.99" | |||||
C | pa=91.3° sep=23.04" | pa=83.1° sep=28.97" | ||||
D | pa=80.4° sep=79.50" | pa=78.4° sep=85.87" | pa=76.0° sep=57.05" | |||
E | pa=241.1° sep=634.61" | pa=241.2° sep=627.66" | pa=242.1° sep=654.63" | pa=243.2° sep=710.15" | ||
Eb | pa=241.1° sep=634.22" | pa=241.2° sep=627.27" | pa=242.1° sep=654.24" | pa=243.2° sep=709.77" | pa=24.5° sep=0.49" | |
F | pa=240.8° sep=661.45" | pa=240.9° sep=654.49" | pa=241.8° sep=681.41" | pa=242.9° sep=736.86" | pa=234.4° sep=27.01" | pa=233.8° sep=27.44" |
Name | Sig CrB | Var name | TZ CrB | Coord arcsec 2000 | 161440.85+335131.0 | Mag | 5.62 | ||||
Spectral class | G0V (yellow) | PmRA | -267.00 | PmDE | -87.0 | SAO | 65165 | ||||
HIP | 79607 | Tycho2 | 2583-01846-1 | HD | 146361 | HR | 6063 | ||||
GC | 21863 | BD | BD+34 2750 | Bayer | Sigma Coronae Borealis | Bayer name | Sig CrB | ||||
Flamsteed | 17 Coronae Borealis | Flamsteed name | 17 CrB |
Tycho2 | 2583-01846-1 | Pflag | RAmdeg | 243.67022534 | DEmdeg | 33.85861600 | |||||
PmRA | -265.4 | PmDE | -83.9 | E RAmdeg | 4 | E DEmdeg | 3 | ||||
E pmRA | 0.9 | E pmDE | 0.9 | EpRAm | 1991.01 | EpDEm | 1991.52 | ||||
Num | 15 | Q RAmdeg | 1.8 | Q DEmdeg | 1.3 | Q pmRA | 1.7 | ||||
Q pmDE | 1.1 | BTmag | 6.262 | E BTmag | 0.014 | VTmag | 5.620 | ||||
E VTmag | 0.009 | Prox | 68 | TYC | T | HIP | 79607 | ||||
CCDM | A | RAdeg | 243.67099278 | DEdeg | 33.85880889 | EpRA 1990 | 1.35 | ||||
EpDE 1990 | 1.71 | E RAdeg | 3.7 | E DEdeg | 3.3 | Posflg | |||||
Corr | 0.3 |
SAO | 65165 | DelFlag | RA1950 | PmRA1950 | -0.0221 | ||||||
DE1950 | PmDE1950 | -0.08 | Vmag | 5.4 | SpType | G0 | |||||
Double code | Source | 70 | CatNum | 21863 | DM | BD+34 2750 | |||||
DMcomp | BDsup | HD | 146361 | M HD | 9 | ||||||
GC | 21863 | RA1950rad | 4.24465903 | DE1950rad | 0.59313376 | PmRA2000 | -0.0218 | ||||
PmDE2000 | -0.079 |
Catalog | H | HIP | 79607 | Proxy | H | RAhms | 16 14 41.04 | ||||
DEdms | +33 51 31.8 | Vmag | 5.23 | VarFlag | 2 | R Vmag | H | ||||
RAdeg | 243.671 | DEdeg | 33.8588 | AstroRef | A | Plx | 46.11 | ||||
CCDM | 16147+3352 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | B | M HIP | AB | |||||
Theta | 234 | Rho | 6.832 | HD | 146361 | BD | BD+34 2750 | ||||
CD | CP | Dm number | +34 2750 | VIred | 0.66 | ||||||
SpType | F8V | R SpType | Coord arcsec 2000 | 161441.04+335131.8 |
HIP | 79607 | Sn | 17 | So | 3 | Nc | 2 | ||||
RArad | 4.2528612847 | DErad | 0.5909479314 | Plx | 47.44 | PmRA | -263.39 | ||||
PmDE | -92.67 | E RArad | 0.81 | E DErad | 1.09 | E Plx | 1.22 | ||||
E pmRA | 0.93 | E pmDE | 1.31 | Hpmag | 5.3567 | E Hpmag | 0.0027 | ||||
SHp | 0.042 | VA | 2 | BV | 0.599 | E BV | 0.007 | ||||
VI | 0.67 |
Ccdm | 16147+3352 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.58 | DDEs | -31.3 | ||||||
R dRAs | 65 | Year | Theta | Rho | |||||||
Obs | 4 | Vmag | 5.8 | Sp | G0 | PmNote | * | ||||
PmRA | -277 | PmDE | -85 | Dm number | +34 2750 | Cat1 | BD | ||||
Name2 | 65165 | Cat2 | SAO | HD | 146361 | M HD | |||||
ADS BDS | A 9979 | M ADS BDS | N IDS | IDS | 16109N3407A | ||||||
HIC | 79607 |
Coord arcsec 2000 | 161440.39+335127.0 | Coord calc | 161440.39+335127.0 | Mag | 6.49 | Spectral class | G1V (yellow) | ||||
PmRA | -292.00 | PmDE | -82.0 | Tycho2 | 2583-01846-2 | HD | 146362 | ||||
HR | 6064 | Flamsteed | 17 Coronae Borealis | Flamsteed name | 17 CrB | Calc delta mag | 0.87 |
Tycho2 | 2583-01846-2 | Pflag | RAmdeg | 243.66830731 | DEmdeg | 33.85752081 | |||||
PmRA | -289.0 | PmDE | -85.1 | E RAmdeg | 4 | E DEmdeg | 4 | ||||
E pmRA | 3.0 | E pmDE | 2.8 | EpRAm | 1991.37 | EpDEm | 1991.67 | ||||
Num | 6 | Q RAmdeg | 1.5 | Q DEmdeg | 1.2 | Q pmRA | 1.6 | ||||
Q pmDE | 1.3 | BTmag | 7.177 | E BTmag | 0.015 | VTmag | 6.490 | ||||
E VTmag | 0.010 | Prox | 68 | TYC | T | HIP | 79607 | ||||
CCDM | B | RAdeg | 243.66913972 | DEdeg | 33.85771722 | EpRA 1990 | 1.39 | ||||
EpDE 1990 | 1.69 | E RAdeg | 4.1 | E DEdeg | 3.6 | Posflg | |||||
Corr | 0.4 |
Ccdm | 16147+3352 | RComp | Comp | B | Note1 | * | |||||
Note2 | Discov num | STF2032 | DRAs | DDEs | |||||||
R dRAs | Year | 1827 | Theta | Rho | |||||||
Obs | 99 | Vmag | 6.7 | Sp | G0 | PmNote | |||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | 146362 | M HD | |||||||
ADS BDS | A 9979 | M ADS BDS | N | N IDS | IDS | 16109N3407B | |||||
HIC | 79607 |
Coord arcsec 2000 | 161442.70+335130.5 | Mag | 13.1 | PmRA | -16.00 | PmDE | -15.0 | ||||
Calc delta mag | 7.48 | Calc coord | yes |
Ccdm | 16147+3352 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | STF2032 | DRAs | DDEs | |||||||
R dRAs | Year | 1935 | Theta | 148 | Rho | 8.7 | |||||
Obs | 7 | Vmag | 13.3 | Sp | PmNote | ||||||
PmRA | -16 | PmDE | -15 | Dm number | Cat1 | ||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 9979 | M ADS BDS | N IDS | IDS | 16109N3407C | ||||||
HIC | 79607 |
Coord arcsec 2000 | 161447.14+335144.3 | Mag | 10.78 | PmRA | 12.00 | PmDE | -13.0 | ||||
Tycho2 | 2583-01900-1 | Calc delta mag | 5.16 | Calc coord | yes |
Tycho2 | 2583-01900-1 | Pflag | RAmdeg | 243.69980339 | DEmdeg | 33.86181721 | |||||
PmRA | 3.9 | PmDE | -16.9 | E RAmdeg | 34 | E DEmdeg | 27 | ||||
E pmRA | 4.8 | E pmDE | 4.7 | EpRAm | 1986.73 | EpDEm | 1987.92 | ||||
Num | 5 | Q RAmdeg | 0.9 | Q DEmdeg | 0.4 | Q pmRA | 0.9 | ||||
Q pmDE | 0.4 | BTmag | 11.903 | E BTmag | 0.083 | VTmag | 10.782 | ||||
E VTmag | 0.052 | Prox | 867 | TYC | T | HIP | |||||
CCDM | RAdeg | 243.69978139 | DEdeg | 33.86185500 | EpRA 1990 | 1.43 | |||||
EpDE 1990 | 1.72 | E RAdeg | 51.2 | E DEdeg | 35.5 | Posflg | |||||
Corr | 0.2 |
Ccdm | 16147+3352 | RComp | Comp | D | Note1 | ||||||
Note2 | Discov num | STF2032 | DRAs | 5.98 | DDEs | -16.5 | |||||
R dRAs | 65 | Year | 1933 | Theta | 085 | Rho | 71.0 | ||||
Obs | 99 | Vmag | 10.8 | Sp | PmNote | ||||||
PmRA | 2 | PmDE | -21 | Dm number | Cat1 | ||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 9979 | M ADS BDS | N IDS | IDS | 16109N3407D | ||||||
HIC |
Coord arcsec 2000 | 161356.27+334624.3 | Coord calc | 161356.27+334624.3 | Mag | 12.34 | Spectral class | M (red) | ||||
PmRA | -269.00 | PmDE | -89.0 | HIP | 79551 | Calc delta mag | 6.72 |
Catalog | H | HIP | 79551 | Proxy | RAhms | 16 13 56.45 | |||||
DEdms | +33 46 25.0 | Vmag | 12.23 | VarFlag | 2 | R Vmag | H | ||||
RAdeg | 243.485 | DEdeg | 33.7736 | AstroRef | Plx | 43.82 | |||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | X | Source | Qual | S | M HIP | ||||||
Theta | Rho | HD | BD | ||||||||
CD | CP | Dm number | VIred | 1.43 | |||||||
SpType | M | R SpType | Coord arcsec 2000 | 161356.45+334625.0 |
HIP | 79551 | Sn | 1 | So | 2 | Nc | 1 | ||||
RArad | 4.2496188029 | DErad | 0.5894608456 | Plx | 45.4 | PmRA | -265.92 | ||||
PmDE | -83.63 | E RArad | 2.47 | E DErad | 2.87 | E Plx | 3.71 | ||||
E pmRA | 2.99 | E pmDE | 3.68 | Hpmag | 12.3414 | E Hpmag | 0.0096 | ||||
SHp | 0.087 | VA | 0 | BV | 0 | E BV | 0 | ||||
VI | 0 |
Coord arcsec 2000 | 161356.29+334624.7 | Mag | 15 | Calc delta mag | 9.38 | Calc coord | yes |
Coord arcsec 2000 | 161354.51+334608.6 | Mag | 14.85 | PmRA | 2.00 | PmDE | 8.0 | ||||
Calc delta mag | 9.23 | Calc coord | yes |